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Hundreds of protesters took to the streets of New York, and several buildings were lit green, after President Trump announced his intention to pull the U.S. out of the Paris climate agreement. Michael George reports.

(Published Thursday, June 1, 2017)

Hundreds of people protested in Lower Manhattan and buildings were lit green in solidarity after President Trump declared Thursday that the U.S. is withdrawing from the landmark Paris climate agreement.

Trump’s decision strikes a major blow to worldwide efforts to combat climate change and distances the U.S. from many allies. It also led to widespread condemnation, from social media to the streets of New York City.

In a show of solidarity, Gov. Cuomo said One World Trade Center and the Kosciuszko Bridge would be lit green on Thursday night. Mayor de Blasio said City Hall would also light up green.

One World Trade Goes Green in Support of Climate Accord

The World Trade Center, the Kosciuszko Bridge and City Hall went green Thursday night after President Trump said the U.S. would pull out of the Paris climate agreement. Hundreds of people protested in the city.

(Published Thursday, June 1, 2017)

The U.S. Conference of Mayors said it strongly opposed the decision and said mayors will continue efforts to reduce greenhouse gas emissions blamed for global warming.

Under former President Obama, the U.S. had agreed under the accord to reduce polluting emissions by about 1.6 billion tons by 2025. But the targets were voluntary, meaning the U.S. and the nearly 200 other nations in the agreement could alter their commitments.

Framing his decision as "a reassertion of America's sovereignty," Trump said, "I was elected to represent the citizens of Pittsburgh, not Paris."

Trump said that he would begin negotiations to re-enter the agreement or establish "an entirely new transaction" to get a better deal for the U.S. But he suggested re-entry was hardly a priority. "If we can, great. If we can't, that's fine," he said.

Trump’s announcement came the same day that a study was released saying East Harlem is one of the most vulnerable neighborhoods to both flooding and poor water quality. Experts say if Sandy had hit during high tide, East Harlem would have been completely under water.

According to the study by the Waterfront Alliance, 400,000 New Yorkers face a 50 percent risk of major flooding over the next 40 years.

“To think that a storm like that could affect this neighborhood is pretty scary —and not just the storm, but the long-term aftermath of that,” Christina Nadler, of East Harlem, said.

The neighborhoods most at risk are East Harlem and the Lower East Side in Manhattan; Mott Haven and Throggs Neck in the Bronx; Coney Island and Sheepshead Bay in Brooklyn; Howard Beach and the Rockaways in Queens; and Mid-Island on Staten Island.

Annette Fisher, of the Coney Island Beautification Project, had her home decimated during Sandy back in 2012. She still struggles to secure funding to rebuild.

“What about the people who weren’t here to speak today, who are going to become bankrupt and whose houses are going to be foreclosed on,” Fisher said. “We have to get Trump to wake up!”

By abandoning the world's chief effort to slow the tide of planetary warming, Trump was fulfilling a top campaign pledge. But he was also breaking from many of America's staunchest allies, who have expressed alarm about the decision. Several of his top aides have opposed the action, too, as has his daughter and adviser, Ivanka Trump.

Scientists say Earth is likely to reach more dangerous levels of warming sooner as a result of the president's decision because America contributes so much to rising temperatures. Calculations suggest withdrawal could result in emissions of up to 3 billion tons of additional carbon dioxide in the air a year — enough to melt ice sheets faster, raise seas higher and trigger more extreme weather.

Trump, however, argued the agreement had disadvantaged the U.S. "to the exclusive benefit of other countries," leaving American businesses and taxpayers to absorb the cost.